Stone-breaking machine.



ynaaran srarns rarest ernten.

HENRY E. DERBYSHIRE, GF CHAMBEBSBURG, PENNSYLVANIA, FASSIGNGR T CHAM- BERSBURG- ENGINEERING COMPANY, OF CHAMBERSBURG, PENNSYLVANIA, A

CORPORATION 0F PENNSYLVANIA.

" storm-BREAKING MACHINE.

Lacasse. j Specimen@fLtfersPa'nt- Y `Patenten Nev. ao, taie.

. l application flied .april so, 1915. serial No. 24,903.

To @Zito/wm c'zmag/ concern: 'j The lo-Wer bit 13 is held in the notch 18 lie it knoivn that l, HENRY E. DERBY- in the anvil by a key 17 in a manner usual einen, a citizen of the United States, and a in constructions of this nature, and the anvil resident of Chambersburg, in the county of 5 carries a stop 16, best shoivn in Figs.

5 Franklin and xState VoiV Pennsylvania, have and 3, which engages the bottom of projec- 5 invented certain new and useful mprovetion 11 to limit the downward movement oit ments in Stone Breaking lviachines, oi' the ram 6 and connected moving parts.

Which the following is a specification. The top and bottom bits 7-13, between My invention relates to improvements in which the stone is broken, are substantially l0 means for breaking stones, and more particot a wedge shape as shown in the drawings, 60 nlarly to improvements in means for breaktheir cutting edges being both sharp, both ing so called Belgian blocks into blocks blunt, or one sharp and one blunt as illusof smaller size. trakted lin the bits 7 and 13 shown in Fig. 3.

My invention consists in furnishing' the riamng thus described my invention .l

15 top die and anvil of a steam hammer with claim as new and desire to secure by Letters suitable bits adapted to engage and break Patent rthe block but so disposed that they never y l. A stone breaking machine comprising a engage one another, 'a stop carried by the ram carrying a projecting' lug, a top die anvil oi the hammer and an overhung procarried b v said rain and having an overjection carried by the top die, and reinhanging portion adapted to be engaged by 70 forced by a lug carried by the ram of the the lug on said ram, a bit carried by said hammer, being employed to limit the downdie, an anvil carrying' a stop adapted to cn- Ward movementot' the rain. gage the overhanging portion of said top My invention is illustrated in the accomdie, and a bit carried by said anvil, said panying drawings forming part of this stop in normal operative position permit- 75 specification and in which:` ting said ram die to complete its breaking Figure l, is a perspective view of a steam stroke in connection with the die of said hammer embodying my invention: F ig. 2, a anvil and serving to arrest said die after front elevation oi part of the anvil and part the completion of said stroke and before of the rain of a hammer fitted with my stone contact of said bits- Y 80 breaking parts: Fig. 3, a side elevation ci' 2. A. stone breaking machine comprising Fig. 2. Fig. 4- a vertical section on line 4%1 an anvil provided With a recess, a detachable or" Fig. 3 looking toward the left. Fig. 5 a bit fixed in said recess, a stop blo-ck also vertical section on line 5-5 of Fig. 2 lookfixed in said recess adjacent to the end ot ing toward the right. v said bit and'projecting above the edge there- S5 l is the trame of the hammer, 5 the anvil, of, a reciprocating ram having an overhung 6 the ram: all or these parts are so Well projection, a die secured to said rarn, and a known that detailed description of them .bit secured in said die in alinement with Will be unnecessary. said anvil bit, said die having an overhang 40 7 is the top bit ot' my breaking die'ivhich projection in contact With said ram projec- 90 is inserted in the top die 8 of the hammer tion and adapted after the breaking operaH and held therein by a key 9, Fig. 3, in a Well tion to engage the outer end of said stop known manner. The bit 7 is formed subblock to prevent contact of said bits. stantially as shown in F ig 2 and 3.

The top die 8 is furnished With a tongue HENRY E. DERBYSHRE.

14e and is secured to the rain 6 by a key 10, in the usual Well known manner, and car- Witnesses: ries an overhang projection l1 which is re- LILLIAN M. WOLF, infor-ced above by a projecting lug 12 torm- WM. H. Fonn'r.

$ ing part of the rani.

Copesof this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

. Washington, D. C." 

